Swimmer profile
Justin Gu
Male13-14Crimson AquaticsNE · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2023–24
2024–25
2025–26
50 Free LCM
40.22
35.38
▲ 4.84
—
100 Free LCM
1:34.90
1:20.48
▲ 14.42
1:12.03
▲ 8.45
200 Free LCM
3:29.98
2:59.61
▲ 30.37
2:42.64
▲ 16.97
400 Free LCM
—
6:25.63
—
50 Back LCM
48.09
42.15
▲ 5.94
38.72
▲ 3.43
100 Back LCM
1:41.78
1:26.00
▲ 15.78
1:24.18
▲ 1.82
200 Back LCM
—
3:04.28
—
50 Breast LCM
47.52
43.17
▲ 4.35
39.34
▲ 3.83
100 Breast LCM
1:44.64
1:32.28
▲ 12.36
1:28.97
▲ 3.31
200 Breast LCM
—
3:22.09
3:14.31
▲ 7.78
50 Fly LCM
47.96
—
40.24
▲ 7.72
100 Fly LCM
—
1:38.46
1:31.43
▲ 7.03
200 IM LCM
—
3:13.48
3:00.38
▲ 13.10
Improvement<0.5s0.5–2s2–5s5s+Slower
📊 All Attempts by Event
Chronological history of every recorded swim. Click an event to expand its attempt list.